Factors / Factors of 353

Factors of 353

1, 353

353 is prime: only factor pair is (1, 353), confirmed by trial division up to √353 ≈ 18.8 turning up nothing else. 353's full pair list is (1, 353), for 2 divisors in total. 353's divisors other than 353 itself sum to just 1, 352 below 353: the common deficient case. 353 is odd, digit sum 11 for 353; none of 2-12 divide 353 evenly. 353 has 2 divisors; 352 has 12 and 354 has 8, so 352 wins here. 353 divided by its largest divisor, 1, gives 353.